More recently, proposed methods involve enhancement of the SNR of the backscattered signal, resulting in high visibility by using high extinction ratio (ER) pulses which reduce the coherent noise
Recently, an algorithm has been suggested  on the basis of the coherent noise
model [2-4] and natural time [5-7] that might be useful for the determination of both magnitudes and occurrence times of aftershocks.
(2011) Coherent noise
for non-photorealistic rendering.
4), ii) 0.15% system noise as low frequency, coherent noise
Frequency spectra and signal-to-noise (S/N) ratios were analysed for a number of combinations of sources and surfaces as well as properties of source generated coherent noise
Using digital signal processing techniques automatic gain control, notch filter and band pass filter have been incorporated for initial processing of raw data to enhance the weak events from far offsets and suppress any coherent noise
. The final record is saved in SEG-2 format.
"She had lost the ability to make a coherent noise
, the treatment proceeded against her will and contrary to her best wishes."
Receiver arrays are used to attenuate undesired coherent noise
in certain wave numbers.
The shot gather in Figure 5, was generated using dynamite, it displays hyperbolic moveout, coherent noise
masking the reflection signals.
Land seismic data is commonly contaminated with strong coherent noise
such as multiples, ground-roll, converted waves, etc.